* {
    margin: 0;
    padding: 0;
    color: #777777;
    background: #ffffff;
    font-family: "メイリオ", "Meiryo", "游ゴシック", "Yu Gothic", YuGothic, "ヒラギノ角ゴ Pro", "Hiragino Kaku Gothic Pro", arial, sans-serif;
    font-size: calc(12px + 0.2vw);
    font-size: -webkit-calc(12px + 0.2vw);
    font-size: -moz-calc(12px + 0.2vw);
    line-height: 1.4em;
    letter-spacing: 0.05em;
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
}

a {
    text-decoration: none;
    cursor: pointer;
}
a:link { color: #7777ee; }
a:visited { color: #775599; }

h1 {
    margin: 0 5px;
    color: #444444;
    font-weight: normal;
    font-size: 1.5em;
}

h2 {
    color: #444444;
    font-weight: normal;
    font-size: 1.2em;
}

img {
    width:100%;
    height: auto;
}

td:nth-child(1) {
    padding: 0 0 1% 0;
}
td {
    padding: 0 0 1%;
}

#twitter_zone {
    padding: 0 0 0 20px;
}
@media screen and (min-width: 900px){
    #twitter_zone {
        display: block;
    }
}
@media screen and (max-width: 899px){
    #twitter_zone {
        display: none;
    }
}

#wrap {
    margin: 2% auto 0;
    width: 100%;
    max-width: 1280px;
}

#side {
    padding: 0 2% 0 0;
    width: 25%;
    text-align: right;
    float: left;
}
#side img {
    cursor: pointer;
}

#contents {
    padding: 0 0 0 2%;
    width: 75%;
    border-left: 2px solid #eeeeee;
    overflow: auto;
    float: right;
}

#in_contents_wrap {
    padding: 4% 0 0;
}

#clear {
    clear: both;
}

#top {
    margin: 0 0 10% 0;
    max-width: 300px;
    max-height: 95px;
}

#colorbox_wrap {
    margin: 0 auto;
    padding: 3%;
    width: 100%;
    height: 100%;
    max-height: 75vh;
}

.side_menu {
    margin: 0 10% 1% 0;
    max-width: 120px;
    max-height: 40px;
}

.gradation_line {
    padding: 0.3% 0 0;
    border: none;
    height: auto;
    background: #aaaaaa;
    background: -moz-linear-gradient(left,  #aaaaaa 0%, #ffffff 100%);
    background: -webkit-linear-gradient(left,  #aaaaaa 0%,#ffffff 100%);
    background: linear-gradient(to right,  #aaaaaa 0%,#ffffff 100%);
}

.contents_str {
    margin: 1% 0 5%;
    padding: 1% 2%;
}

.contents_str_overflow {
    margin: 1% 0 5%;
    padding: 1% 2%;
    height: 150px;
    overflow: auto;
}

.indent {
    margin: 0 0 0 2%;
}

.space {
    padding: 5%;
}

/* ボタン（小） */
.btn_s {
    padding: 2% 0;
    width: 7em;
    border: 2px solid transparent;
    border-radius: 5px;
    text-decoration: none;
    outline: none;
    cursor: pointer;
}

/* 赤ボタン */
.btn_red {
    color: #ffffff;
    background-color: #ff5555;
}
.btn_red:hover{
    color: #ffffff;
    background-color: #ee2a2a;
}
/* 青ボタン */
.btn_blue {
    color: #ffffff;
    background-color: #6666ff;
}
.btn_blue:hover{
    color: #ffffff;
    background-color: #4444ee;
}
/* 緑ボタン */
.btn_green {
    color: #ffffff;
    background-color: #44dd44;
}
.btn_green:hover{
    color: #ffffff;
    background-color: #22aa22;
}
/* 赤枠 */
.btn_line_red {
    background-color: #ffffff;
    border-color: #ff4444;
    color: #ff4444;
}
.btn_line_red:hover{
    background-color: #ffffff;
    border-color: #dd2222;
    color: #dd2222;
}
/* 青枠 */
.btn_line_blue {
    background-color: #ffffff;
    border-color: #5151ff;
    color: #5151ff;
}
.btn_line_blue:hover{
    background-color: #ffffff;
    border-color: #2222dd;
    color: #2222dd;
}
/* 緑枠 */
.btn_line_green {
    background-color: #ffffff;
    border-color: #44dd44;
    color: #44dd44;
}
.btn_line_green:hover{
    background-color: #ffffff;
    border-color: #22aa22;
    color: #22aa22;
}

/* Twitter */
.twitter-timeline {
    width: 100%;
}